166524864 has 112 divisors (see below), whose sum is σ = 493873536. Its totient is φ = 49075200.

The previous prime is 166524863. The next prime is 166524871. The reversal of 166524864 is 468425661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166524863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77079 + ... + 79209.

Almost surely, 2^166524864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166524864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246936768).

166524864 is an abundant number, since it is smaller than the sum of its proper divisors (327348672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166524864 is a wasteful number, since it uses less digits than its factorization.

166524864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194 (or 2184 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 166524864 is about 12904.4513250273. The cubic root of 166524864 is about 550.1650898351.

The spelling of 166524864 in words is "one hundred sixty-six million, five hundred twenty-four thousand, eight hundred sixty-four".